Home / 3,321.64-4,583.77-1,809.16

Finding the Fourth Proportional to 3,321.64, 4,583.77 and 1,809.16

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Solution

The fourth proportional to 3,321.64, 4,583.77 and 1,809.16 is: 2,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.64 : 4,583.77 = 1,809.16 : x
  2. Step 2: Convert to fraction form
    3,321.64/4,583.77 = 1,809.16/x
  3. Step 3: Cross multiply
    3,321.64x = 4,583.77 × 1,809.16
  4. Step 4: Simplify right side
    3,321.64x = 8,292,773.33
  5. Step 5: Solve for x
    x = 8,292,773.33/3,321.64
  6. Step 6: Final answer
    x = 2,496.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.